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Articles 287641 - 287670 of 292736

Full-Text Articles in Physical Sciences and Mathematics

An Investigation Of The Effect Of High Temperature On The Schumann-Runge Ultraviolet Absorption Continuum Of Oxygen, John Stanton Evans Dec 1959

An Investigation Of The Effect Of High Temperature On The Schumann-Runge Ultraviolet Absorption Continuum Of Oxygen, John Stanton Evans

Masters Theses

A theoretical and experimental investigation of the absorption coefficient of molecular oxygen at high temperature is reported here. The wavelength range covered is in the vacuum ultraviolet region from 1300 A to 1740 A. The theoretical treatment covers all temperatures from 300° to 10,000° K. The experimental investigation was carried out in the temperature range of 4,000° to 10,000° K. All values of the absorption coefficient found apply only to oxygen for which the vibrational degree of freedom is fully excited.

The final results for the high temperature absorption coefficient as a function of temperature and wavelength are listed in …


Smoothing In Discrete Servo-Stochastic Processes, Harlan D. Mills Nov 1959

Smoothing In Discrete Servo-Stochastic Processes, Harlan D. Mills

The Harlan D. Mills Collection

No abstract provided.


Addition Of Sodium Nitrate (1959), Walter A. Lawrance Nov 1959

Addition Of Sodium Nitrate (1959), Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Press Report (1959), Walter A. Lawrance Nov 1959

Press Report (1959), Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Odor Report (1959), Walter A. Lawrance Nov 1959

Odor Report (1959), Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Analytical Data (1959), Walter A. Lawrance Nov 1959

Analytical Data (1959), Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Equilibrium Points In Finite Games, Harlan D. Mills Oct 1959

Equilibrium Points In Finite Games, Harlan D. Mills

The Harlan D. Mills Collection

No abstract provided.


Two Proposed Experiments For The Detection Of The Dirac Monopole, Robert Katz, Darrell R. Parnell Oct 1959

Two Proposed Experiments For The Detection Of The Dirac Monopole, Robert Katz, Darrell R. Parnell

Robert Katz Publications

A magnetic monopole may be detected by its deflection in an electric field or by the character of the ionization it produces. The electric deflection experiment may be performed in a helium bubble chamber where helical (or spiral) tracks whose axes are parallel to the D-lines would be certain evidence for the discovery of the monopole. Previous studies of the ionization have emphasized that the Bragg tail would be missing from a monopole track, as compared to a charged particle. This conclusion must be modified because of the thin-down of tracks of heavy nuclei. The tracks of heavy nuclei …


Opposed Discs For Furrowing In Pastoral Areas, W. M. Nunn Oct 1959

Opposed Discs For Furrowing In Pastoral Areas, W. M. Nunn

Journal of the Department of Agriculture, Western Australia, Series 3

THROUGHOUT our pastoral regions in all land divisions from Murchison to Kimberley, there are extensive areas of bare country which must be broken in some way to enable water penetration and to provide a place for seed to lodge before regeneration of pasture species can be expected. Earlier articles in this Journal have explained the occurrence of these bare areas, and described methods of furrowing. Checkerboard designs have been successful on perfectly level locations but contouring becomes essential where there is a slope of any dimension.


Coefficient Problems For Functions Regular In An Ellipse, Wimberly C. Royster Sep 1959

Coefficient Problems For Functions Regular In An Ellipse, Wimberly C. Royster

Mathematics Faculty Publications

No abstract provided.


Front Matter, Space Enterprises, Inc. Sep 1959

Front Matter, Space Enterprises, Inc.

Space Journal

No abstract provided.


Time For A Change/Project Able And Baker, Douglass B. Spears Jr., Space Enterprises, Inc. Sep 1959

Time For A Change/Project Able And Baker, Douglass B. Spears Jr., Space Enterprises, Inc.

Space Journal

No abstract provided.


Green Mountain Proving Ground: Gateway To Tomorrow, G Harry Stine Sep 1959

Green Mountain Proving Ground: Gateway To Tomorrow, G Harry Stine

Space Journal

No abstract provided.


Does The Moon Possess A Magnetic Field?, Zdenek Kopal Sep 1959

Does The Moon Possess A Magnetic Field?, Zdenek Kopal

Space Journal

No abstract provided.


Space Exploration And The Value Of Man, Donald N. Michael Sep 1959

Space Exploration And The Value Of Man, Donald N. Michael

Space Journal

No abstract provided.


Space Journal, Vol. 2, No. 1, September 1959, Space Enterprises, Inc. Sep 1959

Space Journal, Vol. 2, No. 1, September 1959, Space Enterprises, Inc.

Space Journal

No abstract provided.


Futureman, Norm Lynott Sep 1959

Futureman, Norm Lynott

Space Journal

No abstract provided.


Reaction, Space Enterprises, Inc. Sep 1959

Reaction, Space Enterprises, Inc.

Space Journal

No abstract provided.


Information Free/Men Of Science, Space Enterprises, Inc. Sep 1959

Information Free/Men Of Science, Space Enterprises, Inc.

Space Journal

No abstract provided.


Space Books, Space Enterprises, Inc. Sep 1959

Space Books, Space Enterprises, Inc.

Space Journal

No abstract provided.


Meteorites, Space Enterprises, Inc. Sep 1959

Meteorites, Space Enterprises, Inc.

Space Journal

No abstract provided.


Thrust Control Of Solid Propellant Motors, Harold W. Ritchey Sep 1959

Thrust Control Of Solid Propellant Motors, Harold W. Ritchey

Space Journal

No abstract provided.


Back Matter, Space Enterprises, Inc. Sep 1959

Back Matter, Space Enterprises, Inc.

Space Journal

No abstract provided.


Is Time The Missing Link?, Helmut Hoepnner, B Spencer Isbell Sep 1959

Is Time The Missing Link?, Helmut Hoepnner, B Spencer Isbell

Space Journal

No abstract provided.


A New Grain Hardness Tester, Robert Katz, A. B. Cardwell, N. D. Collins, A. D. Hostetter Sep 1959

A New Grain Hardness Tester, Robert Katz, A. B. Cardwell, N. D. Collins, A. D. Hostetter

Robert Katz Publications

A hardness tester, especially adapted for grain, was constructed by modifying a commercial portable soft metal tester known as the Barcol Impressor. A preloaded stylus is forced into grain sections prepared by means of a microtome. The displacement of the stylus, measured by a dial micrometer, is used as a hardness index. This has been related to the Vickers diamond pyramid hardness which is a standard metallurgical test. A number of hardness measurements may be made on a single transverse kernel section. The tester may be used for all wheat varieties. Significant variations in hardness within a single wheat kernel …


Navy Supply System Research - Objectives And Plans, Harlan D. Mills Sep 1959

Navy Supply System Research - Objectives And Plans, Harlan D. Mills

The Harlan D. Mills Collection

No abstract provided.


Production Of Waterfowl In The Rain Basin Area Of South Central Nebraska, Ray Linder Aug 1959

Production Of Waterfowl In The Rain Basin Area Of South Central Nebraska, Ray Linder

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

One important form of wetlands habitat in Nebraska is the “Fresh-water Basins”; their importance extends to both waterfowl and upland game. The fresh-water basins are located primarily in south-central Nebraska. They are closed drainages, usually from one to 40 acres but ranging up to 1,000 acres, formed in the gently rolling loess plains. Soils are silt loam and the somewhat impervious soils in flat or depressed position receive and retain the largest amounts of water. This caused leaching and concentration of clay in the subsoil forming a soil type peculiar to these areas known as "Scott silt-loam," a heavy clay-loam …


Test 714: Case Model 610 (Diesel), Nebraska Tractor Test Lab Aug 1959

Test 714: Case Model 610 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 713: Case Model 810 (Diesel), Nebraska Tractor Test Lab Aug 1959

Test 713: Case Model 810 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


An Aeromagnetic And Geologic Reconnaissance Survey Of The Sidney - Augusta And Gardiner Areas : Kennebec County, Maine, Lawrence A. Wing Aug 1959

An Aeromagnetic And Geologic Reconnaissance Survey Of The Sidney - Augusta And Gardiner Areas : Kennebec County, Maine, Lawrence A. Wing

Maine Collection

An Aeromagnetic and Geologic Reconnaissance Survey of the Sidney - Augusta and Gardiner Areas : Kennebec County, Maine

(GP & G Survey #5)

by Lawrence A. Wing, Chief Geologist, James W. Sewall Company, Old Town, Maine.

Maine Geological Survey, Department of Economic Development, Augusta, Maine - August 12, 1959.